I currently have four tanks going. Two 75 gallon, a 30 gallon and a 3 gallon for the Seymour, the Betta. All of them have sand substrate. Two of them are planted.
One 75 is a school of Melanotaenia boesemani and praecox (Dwarf Neon) as well as Iriatherina werneri (Featherfin) Rainbows and...